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Re: Open door from any PC ?
Hi Dean
Have a look at the Dontronics link...it has a serial rs232 to 8 relay
interface...
http://www.dontronics.com/diyk108.html
HTH
Frank
----- Original Message -----
From: Dean Barrett
To: ukha_d@xxxxxxx
Sent: Wednesday, October 01, 2003 7:36 PM
Subject: RE: [ukha_d] Open door from any PC ?
Yep I think that maybe overkill - I suppose all I need to know is if its
possible to make a pair on the com port come together to make a closed
circuit..
They do it with UPS's connected to Serial ports - but I think that's the
other way..
Dean.
-----Original Message-----
From: Paul Gale [mailto:groups@xxxxxxx]
Sent: 01 October 2003 10:16
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Open door from any PC ?
HomeVision would be good for this but not the cheapest option probably.
Paul.
-----Original Message-----
From: Dean Barrett [mailto:dean@xxxxxxx]
Sent: 01 October 2003 10:06
To: ukha_d@xxxxxxx
Subject: [ukha_d] Open door from any PC ?
What is Ian Bird's relay board ??
-----Original Message-----
From: Keith Doxey [mailto:ukha@xxxxxxx]
Sent: 30 September 2003 17:21
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Open door from any PC ?
Sounds like one for xPL or xAP along with one of Ian Bird's relay
boards.
Keith
www.diyha.co.uk
www.kat5.tv
> -----Original Message-----
> From: Dean Barrett [mailto:dean@xxxxxxx]
> Sent: 30 September 2003 16:33
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Open door from any PC ?
>
>
> This must be acheivable....
>
> At my office each PC has access to our CCTV camera's.
>
> When someone comes to the door, they call the door intercom, we only
> have two handsets in the building and it means getting up to let them
> in/talk to them.
>
> I want everyone to be able to fire off a little applet that somehow
> triggers a relay that opens the door.
>
> I image a VB or ASP script could send a signal to the serial port or
> the CCTV server that would close a relay etc. etc.
>
> Is it possible ? or am I just rambling for no good reason.
>
>
>
>
> Dean.
>
>
>
>
>
>
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